Process Safety Management of Highly Hazardous Chemicals. Nancy J Bethea. Process Safety Management (PSM). Is the proactive identification, evaluation and mitigation or prevention of chemical releases that could occur as a result of failures in processes, procedures, or equipment. Purpose.
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Nancy J Bethea
Is the proactive identification, evaluation and mitigation or prevention of chemical releases that could occur as a result of failures in processes, procedures, or equipment.
Bhopal (’84): focused OSHA’s attention
Institute, WV(’85): shows disasters can happen here
1988-1991: concern of public & Congress increases with each event
Feb. 24, 1992: standard in Federal Register
OSHA’s Process Safety
OSHA estimated that the integrated
approach of the PSM standard would reduce
the average annual number of deaths (265)
by 200 and reduce the average annual
number of serious injuries (900) by 700 in
industries involved with highly hazardous
Perchloric Acid Phosgene
Tetramethyl Lead Ketone
Organized and systematic effort to identify and analyze the significance of potential hazards associated with the processing or handling of highly hazardous chemicals
process chemicals facility
Identify incident causes and implement steps to prevent reoccurence
A: List of chemicals
B: Sample block & flow diagrams
C: Compliance guidelines